diff --git a/package.json b/package.json
index 32f07e85..30bf8206 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@grammyjs/i18n",
-	"version": "0.5.0",
+	"version": "0.5.1",
 	"description": "Internationalization middleware for grammY and Telegraf",
 	"keywords": [
 		"telegram bot",
diff --git a/source/i18n.ts b/source/i18n.ts
index ed1edaea..eaeacab8 100644
--- a/source/i18n.ts
+++ b/source/i18n.ts
@@ -14,7 +14,7 @@ const compile = require('compile-template');
 interface MinimalMiddlewareContext {
 	readonly from?: {
 		readonly language_code?: string;
-	};
+	} | undefined;
 	readonly chat: unknown;
 
 	readonly i18n: I18nContext;